Product Specifications
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Product Description
Tianhe arrow type check valve (back pressure valve )is an important tool preventing of blowout.
Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd. is a modernized medium-scale enterprise specialized in production of oil and gas tools. Established in 1973, our company has 50 million RMB registered capital, covering 150000 square meters, with 1000 employees. Our company has been the class I network supplier and member of council of CNPC--China National Petroleum Corporation; Industrial association member of council of CNPC and SINOPEC_China Petroleum & Chemical Corporation; Assigned supplier of CNOOC; The member of CNPC "ENERGYYAHEAD".
|
Size(in) |
O. D. (in) |
I. D. (in) |
Tool Joint O. D. (in) |
Tool Joint I. D. (in) |
Connection |
Max. elevator diameter (in) |
Central upset dia. (in) |
Min. drift dia. size(in) |
|
3 1/2 |
3 1/2 |
2 1/4 |
4 3/4
(4 7/8, 5) |
2 1/4 |
NC38 |
3 7/8 |
4 |
2 |
|
2 1/16 |
2 1/16 |
1 13/16 |
|
4 |
4 |
2 1/2 |
5 1/4 |
2 1/2 |
NC40 |
4 3/16 |
4 1/2 |
2 1/4 |
|
2 9/16 |
2 9/16 |
2 5/16 |
|
4 1/2 |
4 1/2 |
2 11/16 |
6 1/4 |
2 11/16 |
NC46 |
4 11/16 |
5 |
2 7/16 |
|
2 3/4 |
2 3/4 |
2 1/2 |
|
2 13/16 |
2 13/16 |
2 9/16 |
|
5 |
5 |
3 |
6 5/8 |
3 |
NC50 |
5 1/8 |
5 1/2 |
2 3/4 |
|
5 1/2 |
5 1/2 |
3 1/4 |
7
(7 1/4, 7 1/2) |
3 1/4 |
5 1/2 FH |
5 11/16 |
6 |
3 |
|
3 3/8 |
3 3/8 |
3 1/8 |
|
3 7/8 |
3 7/8 |
3 5/8 |
|
4 |
4 |
3 3/4 |
|
6 5/8 |
6 5/8 |
4 |
8
(8 1/4, 8 1/2) |
4 |
6 5/8 FH |
6 15/16 |
7 1/8 |
3 3/4 |
|
4 1/2 |
4 1/2 |
4 1/4 |
|
5 |
5 |
4 3/4 |
Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd. is a modernized medium-scale enterprise specialized in production of oil and gas tools. Established in 1973, our company has 50 million RMB registered capital, covering 150000 square meters, with 1000 employees.
Our company has been the class I network supplier and member of council of CNPC--China National Petroleum Corporation; Industrial association member of council of CNPC and SINOPEC_China Petroleum & Chemical Corporation; Assigned supplier of CNOOC; The member of CNPC "ENERGYYAHEAD".
We have API Spec/7-1, 5DP, 5CT, NS-1, ISO9000.
All our products exported to many countries in the world and got good reputation from the customers in the world. We are working to be a list company in the near future in China.
